<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Layui</title>
    <meta name="renderer" content="webkit">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <link rel="stylesheet" href="layui/css/layui.css"  media="all">
    <!-- 注意：如果你直接复制所有代码到本地，上述css路径需要改成你本地的 -->
</head>
<body>

<blockquote class="layui-elem-quote">为节省服务器开销，以下示例均未配置真实上传接口，所以每次上传都会报提示：请求上传接口出现异常，这属于正常现象。</blockquote>

<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>常规使用：普通图片上传</legend>
</fieldset>

<div class="layui-upload">
    <button type="button" class="layui-btn" id="test1">上传图片</button>
    <div class="layui-upload-list">
        <img class="layui-upload-img" id="demo1">
        <p id="demoText"></p>
    </div>
</div>

<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>上传多张图片</legend>
</fieldset>

<div class="layui-upload">
    <button type="button" class="layui-btn" id="test2">多图片上传</button>
    <blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;">
        预览图：
        <div class="layui-upload-list" id="demo2"></div>
    </blockquote>
</div>

<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>指定允许上传的文件类型</legend>
</fieldset>

<button type="button" class="layui-btn" id="test3"><i class="layui-icon"></i>上传文件</button>
<button type="button" class="layui-btn layui-btn-primary" id="test4"><i class="layui-icon"></i>只允许压缩文件</button>
<button type="button" class="layui-btn" id="test5"><i class="layui-icon"></i>上传视频</button>
<button type="button" class="layui-btn" id="test6"><i class="layui-icon"></i>上传音频</button>
<div style="margin-top: 10px;">

    <!-- 示例-970 -->
    <ins class="adsbygoogle" style="display:inline-block;width:970px;height:90px" data-ad-client="ca-pub-6111334333458862" data-ad-slot="3820120620"></ins>

</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>设定文件大小限制</legend>
</fieldset>

<button type="button" class="layui-btn layui-btn-danger" id="test7"><i class="layui-icon"></i>上传图片</button>
<div class="layui-inline layui-word-aux">
    这里以限制 60KB 为例
</div>

<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>同时绑定多个元素，并将属性设定在元素上</legend>
</fieldset>

<button class="layui-btn demoMore" lay-data="{url: '/a/'}">上传A</button>
<button class="layui-btn demoMore" lay-data="{url: '/b/', size:5}">上传B</button>
<button class="layui-btn demoMore" lay-data="{url: '/c/', accept: 'file',size:10}">上传C</button>

<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>选完文件后不自动上传</legend>
</fieldset>

<div class="layui-upload">
    <button type="button" class="layui-btn layui-btn-normal" id="test8">选择文件</button>
    <button type="button" class="layui-btn" id="test9">开始上传</button>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>拖拽上传</legend>
</fieldset>

<div class="layui-upload-drag" id="test10">
    <i class="layui-icon"></i>
    <p>点击上传，或将文件拖拽到此处</p>
    <div class="layui-hide" id="uploadDemoView">
        <hr>
        <img src="" alt="上传成功后渲染" style="max-width: 196px">
    </div>
</div>

<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>高级应用：制作一个多文件列表</legend>
</fieldset>

<div class="layui-upload">
    <button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button>
    <div class="layui-upload-list">
        <table class="layui-table">
            <thead>
            <tr><th>文件名</th>
                <th>大小</th>
                <th>状态</th>
                <th>操作</th>
            </tr></thead>
            <tbody id="demoList"></tbody>
        </table>
    </div>
    <button type="button" class="layui-btn" id="testListAction">开始上传</button>
</div>

<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
    <legend>绑定原始文件域</legend>
</fieldset>

<input type="file" name="file" id="tockq0">


<script src="layui/layui.js" charset="utf-8"></script>
<!-- 注意：如果你直接复制所有代码到本地，上述js路径需要改成你本地的 -->
<script>
    layui.use('upload', function(){
        var $ = layui.jquery
            ,upload = layui.upload;

        //普通图片上传
        var uploadInst = upload.render({
            elem: '#test1'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,before: function(obj){
                //预读本地文件示例，不支持ie8
                obj.preview(function(index, file, result){
                    $('#demo1').attr('src', result); //图片链接（base64）
                });
            }
            ,done: function(res){
                //如果上传失败
                if(res.code > 0){
                    return layer.msg('上传失败');
                }
                //上传成功
            }
            ,error: function(){
                //演示失败状态，并实现重传
                var demoText = $('#demoText');
                demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-xs demo-reload">重试</a>');
                demoText.find('.demo-reload').on('click', function(){
                    uploadInst.upload();
                });
            }
        });

        //多图片上传
        upload.render({
            elem: '#test2'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,multiple: true
            ,before: function(obj){
                //预读本地文件示例，不支持ie8
                obj.preview(function(index, file, result){
                    $('#demo2').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img">')
                });
            }
            ,done: function(res){
                //上传完毕
            }
        });

        //指定允许上传的文件类型
        upload.render({
            elem: '#test3'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,accept: 'file' //普通文件
            ,done: function(res){
                layer.msg('上传成功');
                console.log(res);
            }
        });
        upload.render({ //允许上传的文件后缀
            elem: '#test4'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,accept: 'file' //普通文件
            ,exts: 'zip|rar|7z' //只允许上传压缩文件
            ,done: function(res){
                layer.msg('上传成功');
                console.log(res)
            }
        });
        upload.render({
            elem: '#test5'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,accept: 'video' //视频
            ,done: function(res){
                layer.msg('上传成功');
                console.log(res)
            }
        });
        upload.render({
            elem: '#test6'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,accept: 'audio' //音频
            ,done: function(res){
                layer.msg('上传成功');
                console.log(res)
            }
        });

        //设定文件大小限制
        upload.render({
            elem: '#test7'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,size: 60 //限制文件大小，单位 KB
            ,done: function(res){
                layer.msg('上传成功');
                console.log(res)
            }
        });

        //同时绑定多个元素，并将属性设定在元素上
        upload.render({
            elem: '.demoMore'
            ,before: function(){
                layer.tips('接口地址：'+ this.url, this.item, {tips: 1});
            }
            ,done: function(res, index, upload){
                var item = this.item;
                console.log(item); //获取当前触发上传的元素，layui 2.1.0 新增
            }
        })

        //选完文件后不自动上传
        upload.render({
            elem: '#test8'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,auto: false
            //,multiple: true
            ,bindAction: '#test9'
            ,done: function(res){
                layer.msg('上传成功');
                console.log(res)
            }
        });

        //拖拽上传
        upload.render({
            elem: '#test10'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,done: function(res){
                layer.msg('上传成功');
                layui.$('#uploadDemoView').removeClass('layui-hide').find('img').attr('src', res.files.file);
                console.log(res)
            }
        });

        //多文件列表示例
        var demoListView = $('#demoList')
            ,uploadListIns = upload.render({
            elem: '#testList'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,accept: 'file'
            ,multiple: true
            ,auto: false
            ,bindAction: '#testListAction'
            ,choose: function(obj){
                var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                //读取本地文件
                obj.preview(function(index, file, result){
                    var tr = $(['<tr id="upload-'+ index +'">'
                        ,'<td>'+ file.name +'</td>'
                        ,'<td>'+ (file.size/1024).toFixed(1) +'kb</td>'
                        ,'<td>等待上传</td>'
                        ,'<td>'
                        ,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
                        ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
                        ,'</td>'
                        ,'</tr>'].join(''));

                    //单个重传
                    tr.find('.demo-reload').on('click', function(){
                        obj.upload(index, file);
                    });

                    //删除
                    tr.find('.demo-delete').on('click', function(){
                        delete files[index]; //删除对应的文件
                        tr.remove();
                        uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                    });

                    demoListView.append(tr);
                });
            }
            ,done: function(res, index, upload){
                if(res.files.file){ //上传成功
                    var tr = demoListView.find('tr#upload-'+ index)
                        ,tds = tr.children();
                    tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                    tds.eq(3).html(''); //清空操作
                    return delete this.files[index]; //删除文件队列已经上传成功的文件
                }
                this.error(index, upload);
            }
            ,error: function(index, upload){
                var tr = demoListView.find('tr#upload-'+ index)
                    ,tds = tr.children();
                tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
            }
        });

        //绑定原始文件域
        upload.render({
            elem: '#test20'
            ,url: 'https://httpbin.org/post' //改成您自己的上传接口
            ,done: function(res){
                layer.msg('上传成功');
                console.log(res)
            }
        });

    });
</script>

</body>
</html>